Phone verification
Supports SMS OTP and voice OTP to confirm possession of the phone number before allowing signature completion.
affix phone form supports evidence collection that can strengthen signer attribution and communications records; when combined with appropriate identity checks and an audit trail, it complements U.S. frameworks like ESIGN and UETA for enforceability while helping meet sector-specific privacy rules such as HIPAA or FERPA where applicable.
Platform administrators configure affix phone form templates, manage SMS gateway credentials and verification settings, assign roles, and review audit logs to ensure workflows meet organizational security and compliance standards.
Signers enter and verify their phone numbers when prompted, complete OTP confirmation steps, and can view confirmation receipts; they have no access to system settings or audit configuration.
Supports SMS OTP and voice OTP to confirm possession of the phone number before allowing signature completion.
Display or require the affix phone form based on recipient role, document type, or prefilled data to streamline signer experience.
Allow pre-population from CRM or previous transactions to reduce entry errors and accelerate completion.
Capture timestamped verification events, phone metadata, and delivery status as part of the document audit record.
Enforce country codes, length checks, and format patterns to improve data quality at entry.
Trigger webhooks or API callbacks after verification for downstream automation and record updates.
Embed affix phone form fields in documents created from Google Docs and push verified phone values back to a linked spreadsheet or database to keep contact records synchronized and reduce duplicate data entry across systems.
Map affix phone form fields to CRM contact records so verified numbers update lead or customer profiles automatically, supporting sales and service teams with up-to-date contact details.
Save completed documents with embedded phone verification metadata to Dropbox or Google Drive folders to maintain consistent archival records and searchable audit artifacts.
Create templates with affix phone form fields preconfigured for common agreements to standardize collection and shorten time to signature across recurring documents.
| Feature | Configuration |
|---|---|
| Reminder Frequency | 48 hours |
| Signature Routing | Sequential or parallel |
| OTP Validity Window | 10 minutes |
| Webhook Notifications | Enabled |
| Prefill Source | CRM sync |
affix phone form works across modern web browsers and native mobile apps, but correct verification depends on device capabilities and network access.
For reliable user experience, ensure recipients use updated browsers or the vendor mobile app, enable SMS delivery in their region, and verify that carriers allow one-time codes; these checks reduce verification failures and support consistent signing on mobile, tablet, or desktop.
A clinic uses an affix phone form to capture patient contact numbers and verify possession via SMS before obtaining telehealth consent.
Resulting in clearer consent records and fewer contact errors for clinical outreach.
A lender embeds an affix phone form in loan application packets to collect verified mobile numbers and tie verification events to identity checks.
Leading to faster identity verification, lower fraud risk, and streamlined underwriting workflows.
| Feature | signNow (Recommended) | DocuSign | Adobe Sign |
|---|---|---|---|
| Phone OTP verification | |||
| Native mobile app | |||
| CRM prefill | |||
| Advanced routing |
7 years
10 years
Daily
24 hours
On request or after retention period
| Plan | signNow (Recommended) | DocuSign | Adobe Sign | HelloSign | PandaDoc |
|---|---|---|---|---|---|
| Starting price | $8/user/month | $10/user/month | $9.99/user/month | $12/user/month | $19/user/month |
| Free trial | Yes | Yes | Yes | Yes | Yes |
| API access | Included | Available | Included | Available | Included |
| SMS verification credits | Addon credits | Add-on | Add-on | Add-on | Add-on |
| Enterprise support | Available | Available | Available | Available | Available |
Affix phone form feature gets easily available when you make use of airSlate SignNow's complete eSignature platform. Use this solution for your business irrespective of the sector you’re doing work in. The set of features presented by airSlate SignNow perfectly suits for people who attempt to make their enterprise strategies more productive and streamline their workflow.
Be assured that your contracts will always be organized properly, filled out by the appropriate parties and signed digitally using the digital signature that complies with the ESIGN Act and also other governmental requirements. Integrate fillable fields to make any document interactive, collect signatures from many persons and apply receiver authentication to make sure that the document was received by the appropriate individual. All this you are able to do when working either from the desktop computer or from the mobile gadget to save lots of time and close essential deals on-the-go.